US3457655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for the desorption of extraneous molecules
Assignee: Balzers Patent und Beteiligungs AG
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Filing: 1967-10-16
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Granted: 1969-07-29
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Otto Winkler
- 👤 Helmut Reisinger
- 👤 Jochen Ruhe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:09
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/38; H01J9/395
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3018561A
Cited
US3081068A
Cited
US3095494A
Cited
US3168819A
Cited
US3103108A
Cited
US3262212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |